Lexus NX: Diagnosis System
Lexus NX Service Manual / Engine & Hybrid System / Cruise Control / Road Sign Assist System / Diagnosis System
DIAGNOSIS SYSTEM
DIAGNOSIS FUNCTION
(a) The road sign assist system displays a warning message on the multi-information display to inform the driver that the system is unavailable when it is malfunctioning.
| Warning Message | Details | DTC/RoB |
|---|---|---|
| "RSA Malfunction Visit Your Dealer" is displayed | Road sign assist system is malfunctioning | Stored |
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Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Road Sign Assist / T
Freeze Frame Data
FREEZE FRAME DATA DESCRIPTION (a) Whenever a road sign assist system DTC is stored, the forward recognition camera stores the current vehicle state (ECU and sensor information) as freeze frame data. C
Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) When a malfunction occurs in the road sign assist system, a message will be displayed on the multi-information display and the road sign assist system will be di
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Removal
REMOVAL PROCEDURE 1. REMOVE FRONT DOOR TRIM COVER LH Click here 2. REMOVE FRONT DOOR INSIDE HANDLE BEZEL PLUG LH Click here 3. REMOVE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY WITH FRONT DOOR ARMREST BASE PANEL Click here 4. REMOVE FRONT DOOR TRIM BOARD SUB-ASSEMBLY LH Click here 5.
Terminals Of Ecu
TERMINALS OF ECU CHECK POWER SWITCH (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item/DTC I16-6 (AGND) - Body ground -
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